HVO 2009 Annual Environmental Management Report - Final

Coal & Allied – Hunter Valley Operations
Table 17: Annual Average Insoluble Matter Deposition Rates at HVO Dust Gauges 2007 to 2009
Gauge Number
Annual Assessment
Criterion (g/m2/month)
Insoluble Matter (g/m2/month)
2009 2008 2007
D110 4.0 2.1 1.3 1.9
D112 4.0 2.0 0.8 1.7
D118 4.0 2.0 2.5 1.6
D119 4.0 2.0 1.2 1.5
Knodlers Lane 4.0 2.3 1.1 1.5
DL2 4.0 2.5 1.6 1.6
DL14 4.0 2.8 2.8 3.2
DL21 4.0 2.8 1.5 1.4
DL22 4.0 2.9 1.6 2.2
Warkworth School 4.0 2.9 3.6* -
*Warkworth School was commissioned in October 2008; consequently the 2008 average is based on 3
months data only.
Table 18: Selected High Results in 2009
Gauge
Number
Month
Insoluble Matter
(g/m2/month)
Comment from field sheet and/or laboratory
analysis
D110
October 5.0
November 4.3
December 4.3
High Total Insoluble Solids (TIS) result due to the
effect of dust storms on the 23/09/2009.
Sample was noted as contaminated containing
insects. Additional lab analysis was undertaken.
Sample was noted as contaminated by insects and
vegetation/seeds. Additional lab analysis was
undertaken.
D112 October 6.8
D118 October 4.8
High Total Insoluble Solids (TIS) result due to the
effect of dust storms on the 23/09/2009.
High Total Insoluble Solids (TIS) result due to the
effect of dust storms on the 23/09/2009.
D119
October 4.3
December 6.2
High Total Insoluble Solids (TIS) result due to the
effect of dust storms on the 23/09/2009.
Sample was noted as contaminated by insects and
vegetation/seeds. Additional lab analysis was
undertaken.
AEMR 2009 59